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The thing is that lithium-ion batteries can also come in cylinders. The 18650 size is probably the most common, and is only a bit larger than a AA battery. Mish
by theandrewbailey 2y ago
The thing is that lithium-ion batteries can also come in cylinders. The 18650 size is probably the most common, and is only a bit larger than a AA battery. Mishandling them comes with far worse effects, so almost no devices let you replace them.